Use a centralized logger (like Winston or ELK Stack ) so you can see exactly where a packet dropped within the hub's logic. 5. Final Deployment & Scaling
Use Socket.io (Node.js) or SignalR (.NET). This creates a "persistent pipe" between the hub and the users. How To Make A Serverside Hub Part 2/2
Since the hub is the central point of contact, it is also the primary target for attacks. Use a centralized logger (like Winston or ELK
Protect your internal microservices by limiting how many requests a single user can send to the hub per minute. Tools like Nginx or middleware in your code can handle this. 4. Error Handling and "Dead Letter" Queues How To Make A Serverside Hub Part 2/2
What happens when the hub tries to send data to a service that is offline?